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How is the maximum normal stresses (Smax) calculated in robot?

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Message 1 of 6
rbaXBU6W
1072 Views, 5 Replies

How is the maximum normal stresses (Smax) calculated in robot?

Hi

 

Does anyone know how the maximum normal stresses is calculated in RSA?

5 REPLIES 5
Message 2 of 6
Refaat
in reply to: rbaXBU6W

Hi@rbaXBU6W 

 

Maximum normal stresses are a sum of stresses resulting from axial force and bending. Stresses 

Message 3 of 6
rbaXBU6W
in reply to: Refaat

@Refaat

The maximum stresses may not exceed the yield strength, right? If the materiale is steel...
Message 4 of 6
Krzysztof_Wasik
in reply to: rbaXBU6W

Hi   @rbaXBU6W 

Maximum stress can exceed yield stress in linear static analysis



Krzysztof Wasik
Message 5 of 6
rbaXBU6W
in reply to: Krzysztof_Wasik

Hi @Krzysztof_Wasik

Yes, i know that the maximum stresses can exceed the yield strenght. My question was more in the designing phase. What do you compare the maximum stresses to in the designing phase. This must be the yield strenght of steel, if the material is steel?
Message 6 of 6
Krzysztof_Wasik
in reply to: rbaXBU6W

Hi @ @rbaXBU6W 

In design phase (for steel members ) code based formula are used in Steel Design module. Yield stress is one of the checked criteria. Others are buckling, lateral buckling, stebility, depending on used code and member section. 



Krzysztof Wasik

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